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40201120 = 255251257
BaseRepresentation
bin1001100101011…
…0101110100000
32210122102120101
42121112232200
540242413440
63553352144
7665463301
oct231265640
983572511
1040201120
1120768773
1211568654
13843725b
1454a67a8
1537e169a
hex2656ba0

40201120 has 24 divisors (see below), whose sum is σ = 94975524. Its totient is φ = 16080384.

The previous prime is 40201103. The next prime is 40201157. The reversal of 40201120 is 2110204.

It can be written as a sum of positive squares in 2 ways, for example, as 36917776 + 3283344 = 6076^2 + 1812^2 .

It is a super-2 number, since 2×402011202 = 3232260098508800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 40201097 and 40201106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125469 + ... + 125788.

Almost surely, 240201120 is an apocalyptic number.

40201120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40201120 is an abundant number, since it is smaller than the sum of its proper divisors (54774404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40201120 is a wasteful number, since it uses less digits than its factorization.

40201120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251272 (or 251264 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 40201120 is about 6340.4353162855. The cubic root of 40201120 is about 342.5674152909.

Adding to 40201120 its reverse (2110204), we get a palindrome (42311324).

The spelling of 40201120 in words is "forty million, two hundred one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 251257 502514 1005028 1256285 2010056 2512570 4020112 5025140 8040224 10050280 20100560 40201120